Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Effects of Plasma Treatment on Mechanical Properties of Jute Fibers and Their Composites with Polypropylene

황마섬유 및 황마-폴리프로필렌 복합체의 특성에 미치는 플라즈마 처리영향

  • Huh, Yang Il (Department of Polymer and Fiber System Engineering, Chonnam National University) ;
  • Bismark, Mensah (Department of Polymer Nano Science & Technology, Jeonbuk National University) ;
  • Kim, Sungjin (Department of Polymer Nano Science & Technology, Jeonbuk National University) ;
  • Lee, Hong Ki (Fuel Cell Regional Innovation Center, Woosuk University) ;
  • Nah, Changwoon (Department of Polymer and Fiber System Engineering, Chonnam National University)
  • 허양일 (전남대학교 고분자섬유시스템공학과) ;
  • 멘사비스마르크 (전북대학교 고분자.나노공학과) ;
  • 김성진 (전북대학교 고분자.나노공학과) ;
  • 이홍기 (우석대학교 지역혁신센터) ;
  • 나창운 (전남대학교 고분자섬유시스템공학과)
  • Received : 2012.08.21
  • Accepted : 2012.09.17
  • Published : 2012.12.31
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Abstract

A jute fiber surface was modified with argon gas in a cylinder type RF plasma generator to enhance the interfacial bond strength and to optimize the plasma treatment condition. The plasma power, gas pressure, and treat time were varied to figure out any effect of those parameters on the morphology and mechanical strength of jute fibers, and the interfacial bond strength for a model composite with polypropylene resin. As the severity of plasma treatment was increased, the surface of jute fibers became rougher. Gas pressure was less effective in roughening of the surface compared with those of treat time and plasma power. Approximately 25% drop in tensile strength of jute fibers was observed for the parameters of treat time and plasma power, while little deterioration was found for gas pressure, with increasing the severity. Based on the interfacial shear strength (IFSS), the optimum plasma treatment condition was determined to be treat time of 30 s, plasma power of 40 W, and gas pressure of 30 mTorr.

계면접착력 향상을 위해 실린더형 RF 플라즈마 발생기를 이용하여 Jute fiber의 표면을 아르곤가스로 처리하였고 최적 처리조건을 설정하였다. 플라즈마 강도, 가스압력, 및 처리시간을 변경한 후 이러한 인자들이 황마섬유 표면모폴로지, 섬유 인장강도, 및 폴리프로필렌과의 모델복합체에서 계면접착강도에 미치는 영향을 조사하였다. 플라즈마 처리인자에 따라 황마섬유의 표면은 거칠어졌다. 가스압력의 영향은 처리시간 및 플라즈마 강도의 영향보다 다소 낮게 나타났다. 플라즈마 강도와 시간에 따라 황마섬유의 강도는 약 25% 감소한 반면, 가스압력의 영향은 크게 나타나지 않았다. 계면전단강도 (IFSS)를 기준으로 결정된 최적 플라즈마 처리조건은 처리시간 30 s, 전력 40 W, 가스압력 30 mTorr로 나타났다.

Keywords

References

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